Days Set Up
Monday - Friday
Analytic Time

3 days

MiChart Code
Catecholamines, Fractionated
Soft Order Code

Test Updated:


Adrenaline, Plasma
Catecholamine Fractionation, Plasma
Catecholamines, Free, Plasma
Catecholamines, Unconjugated, Plasma
Dopamine, Plasma
Epinephrine, Plasma
Noradrenaline, Plasma
Norepinephrine, Plasma
Plasma Catecholamine
Clonidine Suppression Test

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All specimens should be accompanied by a requisition.

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MLabs provides all the supplies necessary for the collection of specimens.

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Test Overview

Test Methodology

HPLC with electrochemical detection

Test Usage

The three catecholamines (norepinephrine, epinephrine, and dopamine) are the principal secretory products of neural tissue. Clinically, the measurement of circulating catecholamines is valuable in the diagnosis of catecholamine secreting tumors associated chiefly with hypertension (phechromocytomas, neuroblastomas, and gangliomas) and with the evaluation of orthostatic hypotension.

Reference Range

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

The patient should fast overnight and abstain from nicotine, caffeine, alcohol, and strenuous exercise for three hours prior to specimen collection. Patients should be relaxed in either a supine or upright position before blood is drawn. Collect specimen in a pre-chilled green top tube. Centrifuge, aliquot plasma into a plastic vial and freeze within 30 minutes of collection.

Normal Volume
6 mL plasma
Minimum Volume
2.5 mL plasma

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.